even more stuff

core/src/dsp/window/nuttall.h

@@ -0,0 +1,9 @@
+#pragma once
+#include "cosine.h"
+
+namespace dsp::window {
+    inline double nuttall(double n, double N) {
+        const double coefs[] = { 0.355768, 0.487396, 0.144232, 0.012604 };
+        return cosine(n, N, coefs, sizeof(coefs) / sizeof(double));
+    }
+}